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Portable liquid cathode glow discharge element analyzer

A technology of glow discharge and element determination, applied in electrical excitation analysis, material excitation analysis, etc., can solve the problems of poor reliability and performance, and achieve the effects of reliable performance, accurate measurement and convenient use.

Inactive Publication Date: 2015-10-07
NAT RESERACH CENT OF GEOANALYSIS +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But in reality, because many technologies are not yet mature, a complete instrument has not yet appeared, and the overall reliability and performance are very poor.

Method used

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Embodiment Construction

[0028] In order to make it easy to understand the technical means, creative features, objectives and effects achieved by the present invention, the present invention will be further explained below in conjunction with specific drawings.

[0029] See figure 2 , Which shows the structural principle diagram of the portable liquid cathode glow discharge element analyzer provided by the present invention.

[0030] As can be seen from the figure, the portable liquid cathode glow discharge element analyzer mainly includes a peristaltic pump 1, a syringe pump 2, a six-way valve 3, a liquid cathode glow discharge atomizer 7, a high voltage power supply 8, and a focusing lens 9, 10, 11. , Narrowband color filters 12, 13, photoelectric converters 14, 15, optical fiber spectrometer 16, A / D converter 17, microprocessor and data processor 18, flash memory 19, GPS system 20.

[0031] Among them, the peristaltic pump 1, the syringe pump 2, and the six-way valve 3 constitute the sample injection sy...

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Abstract

The present invention discloses a portable liquid cathode glow discharge element analyzer, which comprises a sample injection system, a liquid-state cathode glow discharge system, an optical system, and a microprocessor and data processor, wherein the sample injection system is connected with a sample and the sample inlet of the liquid-state cathode glow discharge system, the liquid-state cathode glow discharge system performs electrical arc discharge atomization on the entering sample, the optical system collects the emission spectrum lines generated during the atomization of the liquid-state cathode glow discharge system and transmits to the microprocessor and data processor, and the microprocessor and data processor controls the sample injection system and the liquid-state cathode glow discharge system in a coordinated manner, and performs sample element determination according to the signal transmitted by the optical system. The portable liquid cathode glow discharge element analyzer of the present invention has characteristics of simple structure, easy achieving, reliable performance, accurate determination, and great market potential.

Description

Technical field [0001] The invention relates to a portable element analysis device, in particular to a liquid cathode glow discharge emission spectrometry analysis device. Background technique [0002] The working principle of the liquid cathode glow spectrometer is as follows: Under normal pressure, with the solution as one electrode and the tungsten or titanium electrode as the anode, high voltage is applied to the two electrodes to cause the gas between the electrodes to discharge. During the discharge process, the solution in the liquid electrode is continuously vaporized, so that the metal ions dissolved in the solution also enter the plasma and are excited to produce an emission spectrum. The emission spectrum generated by the discharge is related to the solute component in the solution electrode, so it is possible to detect the metal ions in the solution through the detection of the emission spectrum. [0003] Such a device was published by Webb et al. in 2005 by simplifyin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/67
CPCG01N21/69G01N21/67
Inventor 杨啸涛樊兴涛马彦詹秀春韩南银汪正
Owner NAT RESERACH CENT OF GEOANALYSIS
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